NUR 254 Exam 1 – Obstetric Nursing Foundations, Pregnancy Assessment & Prenatal Care Review |Rationales Graded A+ Latest Updated 2026

NUR 254 Exam 1 – Obstetric Nursing Foundations, Pregnancy Assessment & Prenatal Care Review |Rationales Graded A+ Latest Updated 2026 GESTATION Age of pregnancy TRIMESTER Segment of pregnancy (13 weeks) ANTEPARTUM Total time of pregnancy INTRAPARTUM Labor and birth POSTPARTUM Return to pre-pregnancy state (6 weeks post delivery) GRAVIDA pregnant woman NULLIGRAVIDA a woman who has never been pregnant MULTIGRAVIDA a woman who has had two or more pregnancies GRAVIDITY number of pregnancies regardless of outcome PARA Number of viable deliveries (at least 20 weeks gestation) TERM 38 to 42 weeks gestation VIABILITY Currently 22 to 24 weeks gestation GTPAL G-gravidity T-total number of preterm births P-Total number of preterm births A-Total number of abortions (Spontaneous or elective) L-Total number of living children PRESUMPTIVE SIGNS OF PREGNANCY subjective signs or objective changes experienced by mother those felt by the woman (amenorrhea, fatigue, nausea and vomiting, breast changes) PROBABLE SIGNS OF PREGNANCY (examiners objective findings) Positive pregnancy test, enlarge abdomen uterus, Gooddells signs, chadwick, hegars signs, ballottement, braxtons hicks contractions POSITIVE SIGNS OF PREGNANCY xray, ultrasound, auscultation of fetal HR on doppler 10 weeks, examiner (not the mother) palpates fetal movement When is initial prenatal OB appointment? 8-12 weeks Immunizations for pregnancy Rubella, vericella, influenza, hep C, pertussis Follow up prenatal visits Initial visits up to 28 weeks are monthly 29-36 weeks is every 2 weeks 37-40 weeks weekly How to measure fundal height? Measure distance from pubic symphysis to the height part of the uterus Gestational age? Determined from menstrual hx, contraceptive hx, pregnancy test result and clinical evaluations Rh status Mother is rh neg and fetus is rh positive, risk for isoimmunization During a prenatal visit at 4 months gestation, a pregnant client asks whether tests can be done to identify fetal abnormalities. Between 18 and 40 weeks gestation, which procedure is used to detect fetal anomalies? Ultrasound A nurse is evaluating a client's knowledge of warning symptoms to report during her pregnancy. Which client statement would indicate understanding of warning signs and symptoms? If i have blurred or double vision, I should call the clinic immediately What is the risk for fetus born from advanced maternal age mother Low birth wt, macrosomia, chromo